Home / 38,688.19-58,037.43-15,309.16

Finding the Fourth Proportional to 38,688.19, 58,037.43 and 15,309.16

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Solution

The fourth proportional to 38,688.19, 58,037.43 and 15,309.16 is: 22,965.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,688.19 : 58,037.43 = 15,309.16 : x
  2. Step 2: Convert to fraction form
    38,688.19/58,037.43 = 15,309.16/x
  3. Step 3: Cross multiply
    38,688.19x = 58,037.43 × 15,309.16
  4. Step 4: Simplify right side
    38,688.19x = 888,504,214.17
  5. Step 5: Solve for x
    x = 888,504,214.17/38,688.19
  6. Step 6: Final answer
    x = 22,965.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.